Chromate(1-),[4-hydroxy-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]-1,3-benzenedisulfonato(4-)]-,hydrogen (9CI); 1,3-Benzenedisulfonic acid,4-hydroxy-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]-, chromium complex
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